Home / 29,107.87-43,625.29-12,448.35

Finding the Fourth Proportional to 29,107.87, 43,625.29 and 12,448.35

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Solution

The fourth proportional to 29,107.87, 43,625.29 and 12,448.35 is: 18,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107.87 : 43,625.29 = 12,448.35 : x
  2. Step 2: Convert to fraction form
    29,107.87/43,625.29 = 12,448.35/x
  3. Step 3: Cross multiply
    29,107.87x = 43,625.29 × 12,448.35
  4. Step 4: Simplify right side
    29,107.87x = 543,062,878.77
  5. Step 5: Solve for x
    x = 543,062,878.77/29,107.87
  6. Step 6: Final answer
    x = 18,656.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.